Problem with X

**reiko** · 09-12-2007

I m using CentOS Distro after logging-in in command prompt i used "$ startx" to start my X-windows the X worked properly. Then i went to Command prompt again by CTRL+ALT+F1 and then when i attempted to go back to X CTRL+ALT+F7 the screen got black and nothing appeared I tried to kill the server but finally i gave up and restarted the system. Pls help me to fix this problem.

**devils casper** · 09-12-2007

Which Graphics Card do you have? Did you install driver of Graphics card?
Execute this

Code:

lspci | grep VGA
cat /etc/X11/xorg.conf | grep Driver

Post output here.

**reiko** · 09-12-2007

Originally Posted by devils_casper

Which Graphics Card do you have? Did you install driver of Graphics card?
Execute this

Code:

lspci | grep VGA
cat /etc/X11/xorg.conf | grep Driver

Post output here.

the output of "#lspci | grep VGA"

Code:

00:02.0 VGA compatible controller: Intel Corporation 82845G/GL[Brookdale-G]/GE C hipset Integrated Graphics Device (rev 01)

the output of "#cat /etc/X11/xorg.conf | grep Driver"

Code:

 Driver      "kbd"
 Driver      "mouse"
 Driver      "i810"

**devils casper** · 09-12-2007

Driver is correct. Does /var/log/Xorg.0.log list any error?
Post the kernel line of /boot/grub/grub.conf file.

Code:

less /boot/grub/grub.conf | grep kernel

**reiko** · 09-13-2007

No i usually log-in command prompt and then i used to give startx.

this is the line in grub.conf

Code:

kernel /vmlinuz-2.6.9-42.EL ro root=LABEL=/ rhgb quiet

**devils casper** · 09-13-2007

Even if you execute startx command, Xorg.0.log file logs all messages. You should look into that file. Kernel line and Driver in xorg.conf are correct.
Try appending kernel line with vga=773.

Code:

kernel /vmlinuz-2.6.9-42.EL ro root=LABEL=/ rhgb quiet vga=773

**reiko** · 09-15-2007

I tried booting with this kernel line

Code:

kernel /vmlinuz-2.6.9-42.EL ro root=LABEL=/ rhgb quiet vga=773

but i m encountering same problem.
this is the log message i m getting in var/log/Xorg.0.log

Code:

I) I810(0): [drm] dma control initialized, using IRQ 169
Error in I830WaitLpRing(), now is 27247, start is 25246
pgetbl_ctl: 0x1ffe0001 pgetbl_err: 0x49
ipeir: 0 iphdr: 810000
LP ring tail: 1d8 head: 90 len: 1f001 start 0
eir: 0 esr: 10 emr: ff7b
instdone: ffc1 instpm: 0
memmode: 0 instps: 2c
hwstam: fffe ier: 2 imr: 53c iir: 81
space: 130736 wanted 131064
(II) I810(0): [drm] removed 1 reserved context for kernel
(II) I810(0): [drm] unmapping 8192 bytes of SAREA 0xe0aac000 at 0xb7e3b000
Fatal server error:
lockup


Please consult the The X.Org Foundation support
         at http://wiki.X.Org
 for help.
Please also check the log file at "/var/log/Xorg.0.log" for additional information.

Error in I830WaitLpRing(), now is 30250, start is 28249
pgetbl_ctl: 0x1ffe0001 pgetbl_err: 0x49
ipeir: 0 iphdr: 810000
LP ring tail: 1e0 head: 90 len: 1f001 start 0
eir: 0 esr: 10 emr: ff7b
instdone: ffc1 instpm: 0
memmode: 0 instps: 2c
hwstam: ffff ier: 0 imr: ffff iir: 81
space: 130728 wanted 131064

FatalError re-entered, aborting
lockup

meanwhile i want to install libc.so.6(GLIBC_2.4) where can i get this library file.

**devils casper** · 09-15-2007

Install 915resolution package.

i want to install libc.so.6(GLIBC_2.4) where can i get this library file.

Its available in 'build-essential' meta-package.

**reiko** · 09-15-2007

where does this 'build essential' is available will it be there in my Centos DVD. Where to get this 915 resolution package.

**reiko** · 09-16-2007

Mr.devils casper pls help me in fixin this problem i am a newbie to this linux.

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